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Biology Textbook Sites
Biology The Unity and Diversity of Life by Starr and Taggart
Life: The Science of Biology, Seventh Edition, by William K. Purves, David Sadava, Gordon H. Orians, and H. Craig Heller
Biology - Raven, Johnson, Losos and Singer
Rediscovering Biology - Annenberg/CPB Online Textbook
Glencoe Biology 2009
Discover Biology - Cain, Damman, Lue, and Yoon

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Applications of Radioactive Carbon Dating
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Compiled by Frank Virzi, North Middlesex Regional High School, 19 Main Street, Townsend, MA 01469
Please e-mail me at fvirzi@rcn.com if you have suggestions or comments about this site.

Chemistry Tutorial 13.1a:
Properties Of Organic
Compounds
Carbon - Periodic
Table of Videos
Oxygen - Periodic
Table of Videos
Properties Of Water
Carbohydrates
Proteins and amino acids